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These sensors, by monitoring intake manifold vacuum, measure the amount of load being placed on the engine. The MAP sensors relay engine load outpu...

FAST engineers have developed a kit that makes it easy for anyone to measure an engine?s air/fuel ratio. This plug and play universal O2 sensor pro...

With its state-of-the-art monitoring and data logging capabilities, the XFI Touch Screen Dash/Data Logger can assemble a comprehensive, real-time p...

Can be used with any A/F Meter Kit. Replaces cable in 170501 and 170502CatalogUser 1

This cable is 6 feet log and does come with a power lead.CatalogUser 1

The next generation of the world's simplest self tuning fuel injection system is here. Designed for all applications making up to 650 horsepower, t...

Replacement O-Ring for FAST LSXR Fuel InjectorUser 2User 1

FAST O-Ring LSX LS3&LS7 Fuel InjectorCatalogWarranty

This gasket provides a seal between the throttle body and our LSXR/LSXRT 102mm Intake Manifolds.User 1Catalog

These O-Rings replace O Rings on -3 SAE fittingsCatalogUser 1

These O-Rings replace O Rings on 6 SAE fittingsCatalogUser 1

O-Rings, LSXr LS3andLS7 Fuel Injector 10PKCatalogWarranty

The Bosch LSU4 Oxygen Sensor is widely used in the FAST product line. Finding its way into the FAST EZ-EFI Fuel, EZ-EFI Fuel + Igniton as well as t...

FAST engineers have developed a kit that makes it easy for anyone to measure an engine?s air/fuel ratio. This plug and play universal O2 sensor pro...

FAST engineers have developed a kit that makes it easy for anyone to measure an engine?s air/fuel ratio. This plug and play universal O2 sensor pro...

Round OE Fuel Rail Bracket Kit for Truck w/ Factory Rails and LSXrt ManifoldCatalogUser 1

Square OE Fuel Rail Bracket Kit for Truck w/ Factory Rails and LSXrt ManifoldCatalogUser 1

This OE Rail kit for LS1 and LS6 engines includes factory rails and mounting brackets designed to mount an LS1 and LS6 fuel injector to our 146302B...

This OE Rail kit for LS3 and LS7 engines includes factory rails and mounting brackets designed to mount an LS3/LS7 fuel injector to our 146202B 102...

This fuel injector spacer kit for LS3/L99 and L76 engines is designed to allow the use of OE fuel rails with our 146102B, 146103B and 146104B 102mm...

FAST XDi EZ-Run Distributors come in a convenient package that saves time and space as they do not require an ignition box to fire the coil, while ...

FAST part number 730-0291, Hei High Performance Coil Clockwise RotationCatalogUser 1

This adapter pigtail adapts metripack LS style MAP sensors to a weatherpack/TPI style harness. This is convenient for running a modern LS sensor wi...

This Idle Air Control Valve Adapter Harness allows the end-user to connect a newer LS series IAC motor to an older harness found on TPI and EZ 1.0/...